35 lines
950 B
Ruby
35 lines
950 B
Ruby
module GL
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@programs = {}
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class << self
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def load_shaders
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program_sources = {
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text: ["text.v.glsl", "text.f.glsl"],
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basic: ["basic.v.glsl", "basic.f.glsl"],
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rect: ["rect.v.glsl", "basic.f.glsl"],
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}
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program_sources.each do |program, (v_src_fname, f_src_fname)|
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v_src = Runtime.read(:shader, v_src_fname)
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v_shader = GLShader.new(:vertex, v_src)
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v_shader or raise "Could not find shader #{v_src_fname}"
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f_src = Runtime.read(:shader, f_src_fname)
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f_shader = GLShader.new(:fragment, f_src)
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f_shader or raise "Could not find shader #{f_src_fname}"
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uniforms = (v_src + f_src).lines.map do |line|
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if line =~ /^\s*uniform\s.*\s(\S+);/
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$1
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end
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end.compact
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@programs[program] = GLProgram.new(v_shader, f_shader,
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uniforms: uniforms)
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end
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end
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end
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end
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